void recortar_c (
	unsigned char *src,
	unsigned char *dst,
	int m, //alto
	int n, //ancho
	int src_row_size,
	int dst_row_size,
	int x,
	int y,
	int tam
) {
	for (int j= 0; j < tam; j+=1){ //recorremos filas
		
		for (int i= 0; i < tam; i+=1){ //recorremos columnas
			
			dst[i+j*dst_row_size] = src[i+x+(j+y)*src_row_size];
						
		}
		
	}
	
}
